<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="jquery.js"></script>
    <script src="bootstrap.min.js"></script>
    <script src="practise.js"></script>
    <link rel="stylesheet" href="bootstrap.min.css">
    <style>
        * {
            padding: 0px;
            margin: 10px;
            color:black;

        }

        #container {
            margin-top: 150px;
            width: 300px;
            background-image: linear-gradient(white,white);
            padding: 20px;
            border-radius: 20px;
            opacity: 0.7;
            box-shadow: cornsilk 0px 0px 27px 6px ;
        }
        

        body {
            background-image: url('https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fpic1.win4000.com%2Fwallpaper%2F3%2F59914c489cfd3.jpg');
            background-repeat: no-repeat;
            background-size: cover;
        }
    </style>
</head>

<body >
    <div class="container w-25 h-100 " id="container">
        <form action="index.html">
            <div class="form-group row justify-content-center">
                <label for="colFormLabelSm" class="col-sm-2 col-form-label ">userName</label>
                <div class="col-sm-6">
                    <input type="text " style="background-color: white;" class="form-control form-control" id="colFormLabelSm" placeholder="username">
                </div>
            </div>

            <div class="form-group row justify-content-center">
                <label for="colFormLabelSm" class="col-sm-2 col-form-label">password</label>
                <div class="col-sm-6">
                    <input type="password" class="form-control form-control" id="colFormLabel" placeholder="password">
                </div>
            </div>

            <button type="submit" class="btn btn-primary" style="margin-left:170px;">Submit</button>

            <div style="padding:0px ;">
                <label style="font-size: 12px;">记住密码</label><input type="checkbox"/>
            <a href="index.html" style="float: right;font-size: 12px; text-decoration: none;color: rgb(61, 61, 61);">注册</a>
        </div>
        </form>

    </div>

</body>

</html>